Input This describes the input of the filter, the value before | ansible.builtin.regex_findall. Is a hot staple gun good enough for interior switch repair? To learn more, see our tips on writing great answers. In lineinfile module we can use different parameters depends on our requirement. Also the colon is causing the following error: syntax error - mapping values are not allowed in this context. Last updated on Feb 17, 2023. ansible.builtin.regex_replace(positional1. This can be useful in a roles defaults. Ansible - regular expression regex_replace by Jeremy Canfield | Updated: January 10th, 2023 | Ansible articles regex_replace or the replace filter can be used to replace data in a string or variable. Jinja2 provides other mathematical functions like abs() and round(). it's actually possible to escape literals with double backlashes: The regexp above works correctly. How do I access variables of a host using dynamic inventory in a MongoDB database using Ansible playbook? You must manually install the jmespath dependency on the Ansible controller before using this filter. Ansible would report the following error: We could be wrong, but this one looks like it might be an issue with Launching the CI/CD and R Collectives and community editing features for Ansible skip import_playbook with variable definition, Ansible error - implementation error: unknown type string requested for name. Find a vector in the null space of a large dense matrix, where elements in the matrix are not directly accessible. See the two examples below. In line parameter we have to add the line which is going to add in the file. How to react to a students panic attack in an oral exam? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Can I use a vintage derailleur adapter claw on a modern derailleur. These are the values key1=value1, key2=value2 and so on in the following examples: input is ansible.builtin.regex(key1=value1, key2=value2, ) and input is not ansible.builtin.regex(key1=value1, key2=value2, ). Backrefs yes will replace the line with hello devops only if it is find regexp line(^docker) in file. Search in a string or extract all the parts of a string matching a regular expression. The Xpath expression is relative to the value of the XPath value contained in top. The best answers are voted up and rise to the top, Not the answer you're looking for? The code works in Ansible 2.4.3.0 running on Debian 9 (Raspbian "Stretch"). plugin name In most cases, you can use the short Returns True if there is a match, False otherwise. Ansible lineinfile module is used to insert new lines at the end of the file or anywhere in the file. This filter: You can fully customize the comment style: The filter can also be applied to any Ansible variable. Share Improve this answer Follow answered Oct 19, 2017 at 23:34 jscott 24.3k 8 78 99 Is email scraping still a thing for spammers. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. hashes. Is the Dragonborn's Breath Weapon from Fizban's Treasury of Dragons an attack? Regexp is used to modify the particular line in the file. Examples Return Value Synopsis Search in a string or extract all the parts of a string matching a regular expression. Making statements based on opinion; back them up with references or personal experience. Follow the installation instructions to install that collection. To get a sha512 password hash (random salt): To get a sha256 password hash with a specific salt: An idempotent method to generate unique hashes per system is to use a salt that is consistent between runs: Hash types available depend on the control system running Ansible, hash depends on hashlib, password_hash depends on passlib. address. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. However, we recommend you use the FQCN for easy linking to the You can cast values as certain types. This set of filters returns a list of combined lists. In this example, Hello is replaced with Goodbye. To make a variable optional, set the default value to the special variable omit: In this example, the default mode for the files /tmp/foo and /tmp/bar is determined by the umask of the system. lineinfile: path: /project/devops/abc.txt regexp: '^docker' line: 'hello devops' state: present backrefs: yes Regexp is used to modify the particular line in the file. which is an XPath expression relative to the root node (). UPDATE 10/2022: See further explanations/answers in story responses! PTIJ Should we be afraid of Artificial Intelligence? sorted string list of integers according to IOS-like VLAN list rules. If you want to add a line after/before particular line you can use insertafter/insertbefore parammeter in ansible lineinfile module. How to combine multiple named patterns into one Cases? start a value. Connect and share knowledge within a single location that is structured and easy to search. This describes the input of the test, the value before is ansible.builtin.regex or is not ansible.builtin.regex. Other hash types will simply ignore this parameter. You are reading the latest (stable) community version of the Ansible documentation. I have the following playbook that is trying to assert that a user prompt variable of NX-OS image equals the ansible_net_image captured from a Nexus switch. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. var: DeviceName: "switch.example.com" - name: Valdiate device name set_fact: switchname: " { {'false' if DeviceName | regex_search ('switch') else 'true'}}" delivers true for a switch and false for a server it seems to be your regular expression. The comment filter lets you create comments in a file from text in a template, with a variety of comment styles. Incomplete \ifodd; all text was ignored after line. What can a lawyer do if the client wants him to be aquitted of everything despite serious evidence? In this example, the default None (Python null) value will cause the later filters to fail, which will trigger the or omit portion of the logic. For example: In this example, you must pass the key_name and value_name arguments to configure the transformation. How do I fit an e-hub motor axle that is too big? the same filter plugin name. Replace part of the regular expresion, Ansible | Access multi dimensional variable for when conditional in nested loop task, Ansible how to get output as variable without brackets and u, How to validate the variable value with regex in ansible, Ansible: Iteration fails while looping over output variable, Using variable lists in ansible returns undefined variable. ansible-regexp. Search across line endings if True, do not if otherwise. Communication. You can use the Ansible-specific filters documented here to manipulate your data, or use any of the standard filters shipped with Jinja2 - see the list of built-in filters in the official Jinja2 template documentation. 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. That causes unexpected line break after 80th symbol (if there is a space after 80th symbol) regex_findall even without specifying the collections: keyword. *)$' to '\^f\.\*o\(\.\*\)\$', # convert '^f.*o(. plugin name Are there conventions to indicate a new item in a list? I wanted to read the value for dataDir using Ansible and set it to a variable. if you have not mentioned backrefs as yes, and if there is no line started with docker, still the line will be added at the end of the file. This documentation is now very good, but at the time I wrote this test repo, it had many confusing errors. make the output of the ansible_managed variable more readable, we can If you are chaining additional filters after the default(omit) filter, you should instead do something like this: : You can select or combine items from sets or lists. relative to the value of XPath in top. The same command could be parsed into a hash by using the key and values for details. rev2023.3.1.43269. plugin documentation and to avoid conflicting with other collections that may have Use select and test the length. i'm trying to use regex_search to match only the Software Version : v22.1.1 line. https://www.rogerperkin.co.uk In this video I am using an Ansible Regex search to find all instances of ntp server in my Cisco router config. What factors changed the Ukrainians' belief in the possibility of a full-scale invasion between Dec 2021 and Feb 2022? The value of state in the spec Force the search to be case insensitive if True, case sensitive otherwise. This is roughly equivalent to nested for-loops in a generator expression. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Use the dict2items filter to transform a dictionary into a list of items suitable for looping: Dictionary data (before applying the dict2items filter): List data (after applying the dict2items filter): The dict2items filter is the reverse of the items2dict filter. My advice is to use YAML syntax: tasks: - replace: dest: ./src regexp: 'app_name:\s [A-Za-z0-9 ]*' replace: 'app_name: { { node }}' 3 Answers Sorted by: 13 it's actually possible to escape literals with double backlashes: - name: Create database name and username set_fact: db_name: " { { vhost | regex_replace (' ( [^\\.]*)\\. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Ansible Lineinfile Module With Regexp Examples, Ansible lineinfile module is used to insert new lines at the end of the file or anywhere in the. --- - name: Upgrade NX-OS on switch with pre-checks to load image as required . Jordan's line about intimate parties in The Great Gatsby? Is email scraping still a thing for spammers. erbrito / regex_test.yml Created 3 years ago Star 4 Fork 1 Code Revisions 1 Stars 4 Forks 1 Embed Download ZIP Ansible example to use regex_search filter. Configuration entries for each entry type have a low to high priority order. Matched string or empty string if no match. : For more information on supported XPath expressions, see XPath Support. Server Fault is a question and answer site for system and network administrators. installations. To avoid this problem you should mention backref as yes. will parse the output from the show vlan command. Parameters Attributes Notes Note As of Ansible 2.3, the dest option has been changed to path as default, but dest still works as well. output, use the parse_cli filter: The parse_cli filter will load the spec file and pass the command output It doesn't evaluate the variable, rather interprets literally. Copyright Ansible project contributors. This describes keyword parameters of the test. Search in a string to extract the part that matches the regular expression. Below is an example of a valid spec file that 4 Answers Sorted by: 6 Not the most beautiful thing but this works: - item.key | regex_search ('^' + vcsourcekit | string) Without the cast to string, I get a cannot concatenate 'str' and 'int' objects on ansible 2.2.0.0 and I don't have time to update just now. A convenient way of requiring a variable to be overridden is to give it an undefined value using the undef keyword. In the following examples i will show you how to use ansible lineinfile module with different parameters like regexpto insert new lines. Pass the key_name and value_name arguments to configure the names of the keys in the list output: Use the items2dict filter to transform a list into a dictionary, mapping the content into key: value pairs: List data (before applying the items2dict filter): Dictionary data (after applying the items2dict filter): The items2dict filter is the reverse of the dict2items filter. Run: Is variance swap long volatility of volatility? It seems that "match" requires a pattern that matches the whole string, hence the *. If you are unsure of the underlying Python type of a variable, you can use the type_debug filter to display it. Delta is 2 hours, 12 seconds, # get amount of days between two dates. value using the same show vlan | display xml command. This is driving me crazy as to the correct format for the test condition. The best answers are voted up and rise to the top, Not the answer you're looking for? In this example, the shell module and register parameter are used to store the contents of foo.txt in the "out" variable and the debug . Create parameter with yes, we used to create the file if the file is not existed. Is a string, its possible values are replace (default), keep, append, prepend, append_rp or prepend_rp. Answer you 're looking for very good, but at the time wrote... Belief in the spec Force the search to be case insensitive if True, case otherwise! Replace ( default ), keep, append, prepend, append_rp or prepend_rp this test repo, had! Most cases, you must manually install the jmespath dependency on the Ansible controller before using filter... The time I wrote this test repo, it had many confusing errors site design logo. Of requiring a variable, you can use the short Returns True if there is a string hence... You can fully customize the comment filter lets you create comments in a string a... Making statements based on opinion ; back them up with references or personal.. A students panic attack in an oral exam comment styles, with variety. Your RSS reader of everything despite serious evidence, copy and paste this URL into your RSS reader * ansible regex examples... The show vlan | display xml command the spec Force the search to be aquitted everything. Line with hello devops only if it is find regexp line ( ^docker ) in file serious evidence:! This set of filters Returns a list of integers according to IOS-like vlan list rules dataDir Ansible! Show vlan command combine multiple named patterns into one cases is going add! This describes the input of the XPath expression relative to the top, not the answer you 're for. Nested for-loops in a string matching a regular expression derailleur adapter claw on modern. Yes, we used to insert new lines comments in a file from text in string!: Upgrade NX-OS on switch with pre-checks to load image as required False otherwise ). The parts of a large dense matrix, where elements in the file if file. The comment filter lets you create comments in a generator expression select and test the length variable to be insensitive... Following error: syntax error - mapping values are replace ( default ), keep append! True, do not if otherwise with different parameters like regexpto insert new lines at the end the! Claw on a modern derailleur the end of the test, the value of in! ) $ ', # convert '^f. * o ( type of variable. Of integers according to IOS-like vlan list rules this is driving me as... Rss reader a list of integers according to IOS-like vlan list rules m trying to regex_search... High priority order sorted string list of integers according to IOS-like vlan rules! Like abs ( ) and round ( ) and round ( ) Inc! Comment filter lets you create comments in a list of integers according to IOS-like vlan rules. Version: v22.1.1 line < rpc-reply > ) string list of combined.! Priority order update 10/2022: see further explanations/answers in story responses to subscribe this. Based on opinion ; back them up with references or personal experience Synopsis search in a generator expression volatility. Plugin name in most cases, you can use the type_debug filter to it. Search across line endings if True, do not if otherwise input this describes input... End of the test, the value of the filter can also be applied to any Ansible.! Pass the key_name and value_name arguments to configure the transformation round (.... Between Dec 2021 and Feb 2022 root node ( < rpc-reply > ) *. Confusing errors this problem you should mention backref ansible regex examples yes add in the spec Force the to..., it had ansible regex examples confusing errors dense matrix, where elements in the great Gatsby a MongoDB database using playbook! Based on opinion ; back them up with references or personal experience this RSS feed copy! Of filters Returns a list ignored after line parameter with yes, we recommend you use the short True! To a variable to be aquitted of everything despite serious evidence of requiring a variable filter: you use. The key_name and value_name arguments to configure the transformation directly accessible line after/before particular line in the.! The client wants him to be overridden is to give it an undefined value using key... 2.4.3.0 running on Debian 9 ( Raspbian `` Stretch '' ) ) \ $ ' #! Do I fit an e-hub motor axle that is structured and easy to search to! Tips on writing great answers and values for details following examples I show. Replaced with Goodbye works in Ansible lineinfile module with different parameters like regexpto insert new lines at end... File or anywhere in the file, it had many confusing errors a vector in the following examples will! Do if the client wants him to be aquitted of everything despite serious?! Are voted up and rise to the root node ( < rpc-reply >.!: you can use insertafter/insertbefore parammeter in Ansible lineinfile module we can use insertafter/insertbefore parammeter Ansible... Anywhere in the possibility of a full-scale invasion between Dec 2021 and Feb 2022 the. On a modern derailleur the code works in Ansible 2.4.3.0 running on Debian 9 Raspbian... Works correctly Weapon from Fizban 's Treasury of Dragons an attack you should mention backref yes... String list of integers according to IOS-like vlan list rules for example: in this example hello! Raspbian `` Stretch '' ) the null space of a string matching a regular expression, not the you... To give it an undefined value using the key and values for.. | display xml command site design / logo 2023 Stack Exchange Inc ; user contributions licensed under BY-SA! Patterns into one cases had many confusing errors Returns True ansible regex examples there is question. Ukrainians ' belief in the file is not ansible.builtin.regex our tips on great. The line with hello devops only if it is find regexp line ( ^docker ) in file and (... Supported XPath expressions, see our tips on writing great answers switch repair of a string, its values. Variable to be case insensitive if True, case sensitive otherwise named patterns into one cases on supported XPath,... In file adapter claw on a modern derailleur to subscribe to this RSS,... Share knowledge within a single location that is too big root node ( < rpc-reply )! Matches the whole string, hence the * replace the line which is going to add the line hello. A string matching a regular expression conflicting with other collections that may use... Mapping values are not directly accessible install the jmespath dependency on the documentation... The part that matches the whole string, its possible values are replace ( default ) keep. Paste this URL into your RSS reader site for system and network administrators match the! The Ukrainians ' belief in the possibility of a string to extract the part that the... Module is used to insert new lines at the time I wrote this test repo, it had many errors. Comments in a string, its possible values are not directly accessible on writing great answers examples Return value search. On opinion ; back them up with references or personal experience, we recommend you use the filter..., but at the time I wrote this test repo, it had many errors. Regular expression in an oral exam XPath value contained in top switch repair cases, you can values! Filter can also be applied to any Ansible variable: Upgrade NX-OS on with. Inventory in a string or extract all the parts of a variable, you manually... And test the length to high priority order also the colon is causing the following examples I show... See XPath Support the great Gatsby 2023. ansible.builtin.regex_replace ( positional1 seconds, ansible regex examples! To react to a variable, you can cast values as certain.! Into your RSS reader > ) want to add a ansible regex examples after/before particular line can. Will replace the line which is an XPath expression is relative to the you can cast values certain. The correct format for the test, the value before | ansible.builtin.regex_findall the * is too big where in... Hours, 12 seconds, # convert '^f. * o ( ( < rpc-reply > ) combined lists paste... Also be applied to any Ansible variable contributions licensed under CC BY-SA vlan list.... Use regex_search to match only the Software version: v22.1.1 line FQCN for easy to... Value using the key and values for details a variable ( default ), keep append!: in this context FQCN for easy linking to the value before is ansible.builtin.regex is... Nx-Os on switch with pre-checks to load image as required the regexp above works correctly a regular expression context. Seconds, # get amount of days between two dates you must pass the key_name and arguments! Treasury of Dragons an attack the whole string, hence the * on writing great.... In file regexp above works correctly dense matrix, where elements in the file the! Statements based on opinion ; back them up with references or personal experience staple gun good enough for switch! With different parameters like regexpto insert new lines at the end of the.... Between Dec 2021 and Feb 2022 from the show vlan | display xml command Software:... Use different parameters depends on our requirement wrote this test repo, it had many confusing errors vintage! Case sensitive otherwise ) \ $ ' to '\^f\.\ * o\ ( \.\ * \ ) \ '... 2023 Stack Exchange Inc ; user contributions licensed under CC BY-SA regular expression switch with pre-checks to load as...
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